Helpers for propulating given resource structure
with memory & interrupt information.
Signed-off-by: Afzal Mohammed <afzal@xxxxxx>
---
arch/arm/mach-omap2/gpmc.c | 45 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index a91f40f..652b245 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -905,6 +905,51 @@ static void __devinit gpmc_mem_init(void)
}
}
+static __devinit int gpmc_setup_cs_mem(struct gpmc_cs_data *cs,
+ struct resource *res)
+{
+ unsigned long start;
+ int ret;
+
+ ret = gpmc_cs_request(cs->cs, cs->mem_size, &start);
+ if (IS_ERR_VALUE(ret)) {
+ dev_err(gpmc_dev, "error: gpmc request on CS: %d\n", cs->cs);
+ return ret;
+ }
+
+ res->start = start + cs->mem_offset;
+ res->end = res->start + cs->mem_size - 1;
+ res->flags = IORESOURCE_MEM;
+
+ dev_info(gpmc_dev, "memory 0x%x-0x%x on CS %d\n", res->start,
+ res->end, cs->cs);
+
+ return 1;
+}
+
+static inline unsigned gpmc_bit_to_irq(unsigned bitmask)
+{
+ return bitmask;
+}
+
+static __devinit int gpmc_setup_cs_irq(struct gpmc_cs_data *cs,
+ struct resource *res)
+{
+ int i, n;
+
+ for (i = 0, n = 0; i < GPMC_NR_IRQ; i++)
+ if (gpmc_bit_to_irq(gpmc_client_irq[i].bitmask)
+ & cs->irq_config) {
+ res[n].start = res[n].end = gpmc_client_irq[i].irq;
+ res[n].flags = IORESOURCE_IRQ;
+ dev_info(gpmc_dev, "irq %u on CS %d\n",
+ res[n].start, cs->cs);
+ n++;
+ }
+
+ return n;
+}
+
static __devinit int gpmc_probe(struct platform_device *pdev)
{
u32 l;
--
1.7.10.2
--
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